So what is the problem needing to be solved then? If there’s a thriving open ecosystem, that currently enjoys the majority of the market share in the EU per oth

So what is the problem needing to be solved then? If there’s a thriving open ecosystem, that currently enjoys the majority of the market share in the EU per other commenters in this discussion, and the only way to get “locked in” to the closed ecosystem is to buy a phone and 100% of your accessories from a single minority vendor, why is this a problem? Why don’t people just chose the more popular, more diverse, open and thriving platform?